ImageModifiedDateComparator.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portlet.imagegallery.util.comparator; 24 25 import com.liferay.portal.kernel.util.DateUtil; 26 import com.liferay.portal.kernel.util.OrderByComparator; 27 import com.liferay.portlet.imagegallery.model.IGImage; 28 29 /** 30 * <a href="ImageModifiedDateComparator.java.html"><b><i>View Source</i></b></a> 31 * 32 * @author Brian Wing Shun Chan 33 */ 34 public class ImageModifiedDateComparator extends OrderByComparator { 35 36 public static String ORDER_BY_ASC = "modifiedDate ASC"; 37 38 public static String ORDER_BY_DESC = "modifiedDate DESC"; 39 40 public static String[] ORDER_BY_FIELDS = {"modifiedDate"}; 41 42 public ImageModifiedDateComparator() { 43 this(false); 44 } 45 46 public ImageModifiedDateComparator(boolean asc) { 47 _asc = asc; 48 } 49 50 public int compare(Object obj1, Object obj2) { 51 IGImage image1 = (IGImage)obj1; 52 IGImage image2 = (IGImage)obj2; 53 54 int value = DateUtil.compareTo( 55 image1.getModifiedDate(), image2.getModifiedDate()); 56 57 if (_asc) { 58 return value; 59 } 60 else { 61 return -value; 62 } 63 } 64 65 public String getOrderBy() { 66 if (_asc) { 67 return ORDER_BY_ASC; 68 } 69 else { 70 return ORDER_BY_DESC; 71 } 72 } 73 74 public String[] getOrderByFields() { 75 return ORDER_BY_FIELDS; 76 } 77 78 public boolean isAscending() { 79 return _asc; 80 } 81 82 private boolean _asc; 83 84 }